Wildfire Near Los Angeles Triggers Evacuations

LOS ANGELES—A wildfire burning in the forested hills north of the city swelled to nearly 25,000 acres over the weekend, threatening homes and triggering evacuations of the area.

The Powerhouse fire, which broke out near two power-station buildings, had burned less than 5,000 acres and was 15% contained as of Saturday morning—but high winds fanned the flames as temperatures rose past 100 degrees later in the day. Dry conditions and...